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castortr0y [4]
3 years ago
11

A copper wire is 44.85 cm long and weighs 1.521 g. The density of copper is 8.933 g/cm3.

Chemistry
1 answer:
PolarNik [594]3 years ago
7 0

Answer:

i am so sorry

Explanation:

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65.39<br>Atomic # =<br>Atomic Mass =<br># of Protons =<br># of Neutrons =<br># of Electrons =​
ratelena [41]

Answer:

The answer to your question is below

Explanation:

Atomic mass = 65.39 g

Searching this number in the periodic table we find that the element is Zinc.

Then:

# of Protons = 30

# of neutrons = atomic mass - # of protons

                       = 65.39 - 30

                        = 35.39

# of electrons = # of protons = 30

8 0
4 years ago
How is the polarity of a bond different from the polarity of a molecule?
Andreyy89

Answer:

A polar bond is one where the charge distribution between the two atoms in the bond is unequal. A polar molecule is one where the charge distribution around the molecule is not symmetric. It results from having polar bonds and also a molecular structure where the bond polarities do not cancel.

Explanation:

8 0
2 years ago
Three separate 3.5g blocks of al, cu, and fe at 25°c each absorb 0.505 kj of heat. which block reaches the highest temperature?
77julia77 [94]

The energy can be shown as:

Q = ms dT

Whereas, m is the mass of block

s is specific heat

dT is change in temperature.

Copper block having the lowest specific heat and thus having the higher change in temperature and therefore having the higher final temperature.

8 0
3 years ago
A grade 8 students burnt white phosphorus in the air contained in a bell jar. what will be the volume of the renaming air in the
jok3333 [9.3K]
Try d cuz if im not mistaken if you burnt white phosphorus all the gas is going to take most the air
5 0
2 years ago
Read 2 more answers
Which of the following is not a symbol of an element?<br><br> a. Na<br> b. CO<br> c. S<br> d. He
kvv77 [185]
CO is not an element because CO is a Compound. Elements contain One capital and one lowercase letter. While Compounds contain two or more capital letters.
5 0
3 years ago
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